@inproceedings{inproceedings94e8e636,
title   = {Multiple mating in stingles bees?},
author = {Imperatriz-Fonseca, Vera Lucia and Velthuis, Hayo Hans Willen and Matos, E T},
year = {1997},
booktitle   = {International Apicultural Congress - Apimondia}
}